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Article overview
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Split-SUSY dark matter in light of direct detection limits | | Junjie Cao
; Wenyu Wang
; Jin Min Yang
; | | Date: |
14 Aug 2011 | | Abstract: | We examine the present and future XENON limits on the neutralino dark matter
in split supersymmetry (split-SUSY). Through a scan over the parameter space
under the current constraints from collider experiments and the WMAP
measurement of the dark matter relic density, we find that in the allowed
parameter space only a narrow part can be excluded by the present XENON100
limits while a much larger part can be covered by the future exposure (6000
kg-day). In case of unobservation of dark matter, the lightest neutralino will
be bino-like and the lightest chargino will be either a light wino-like one
(below 150 GeV) or a relatively heavy higgsino-like one (above 200 GeV). | | Source: | arXiv, 1108.2834 | | Services: | Forum | Review | PDF | Favorites | |
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